Rectify (10 p.m., Sundance) – The third season –and it’s been another very powerful one – ends with Janet and Daniel taking a road trip, Tawney returning home and Jon regretting not helping Daniel more. Also, Amantha has dinner with an unexpected companion.
Also on tonight . . .
Astronaut Wives Club (8 p.m., ABC) – Jo redefines her role and priorities as Wally’s career at NASA comes to an end, while Louise worries about Alan as he considers a risky surgery that will determine his future.
Complications (9 p.m., USA) – In the first season finale, John must do everything in his power to save his family.
The Seventies (9 p.m., CNN) – The season ends with a look at the popular music of the ’70s, from Blondie to Billy Joel to KISS.
Project Runway (9 p.m., Lifetime) – The season’s first unconventional challenge has the designers incorporating cards from Hallmark into their work.
Maron (10 p.m., IFC) – In the Season 3 finale, Marc’s back goes out before his show premieres, and his doctor prescribes Oxycontin.